Modeling of multifactor advertising impact on targeted internet-audience

The author analyses the dependence of sales volume and traffic of online business website on the volume of expenses on different types of online advertising. Linear and non-linear models of describing the given dependence are obtained with the help of statistical estimation methods. The author also tries to include a quality factor in this model, i.e. the number of a web site in search results based on key words. At the end thete is a conclusion on the most effective way of investment in online advertising.